*Drivers: 5 Balance Armature Drivers in one side; *CNC processed AL aloy shell. *Input impedance: 20 ohms; *Frequency response: 20Hz~40KHz; *Sensitivity:101dB/mW *Cable: OFC cable, 125cm, 3.5mm stereo-2X0.75mm 2-pin,gold plated, detachable; *Optional: a,OFC cable with Mic.; b,Silver plated OFC cable; c,Blutooth moudle for upgrading to wireless system. |